@inweb/viewer-three/src/Viewer/commands/ZoomToObjects.ts

JavaScript library for rendering CAD and BIM files in a browser using Three.js

///////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2002-2025, Open Design Alliance (the "Alliance").
// All rights reserved.
//
// This software and its documentation and related materials are owned by
// the Alliance. The software may only be incorporated into application
// programs owned by members of the Alliance, subject to a signed
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// Alliance. The structure and organization of this software are the valuable
// trade secrets of the Alliance and its suppliers. The software is also
// protected by copyright law and international treaty provisions. Application
// programs incorporating this software must include the following statement
// with their copyright notices:
//
//   This application incorporates Open Design Alliance software pursuant to a
//   license agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2025 by Open Design Alliance.
//   All rights reserved.
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// By use of this software, its documentation or related materials, you
// acknowledge and accept the above terms.
///////////////////////////////////////////////////////////////////////////////

import { Box3 } from "three";
import type { Viewer } from "../Viewer";
import { zoomTo } from "./ZoomTo";

export function zoomToObjects(viewer: Viewer, handles: string[] = []): void {
  const extents = new Box3();

  viewer.models.forEach((model) => {
    const objects = model.getObjectsByHandles(handles);
    objects.forEach((object) => extents.expandByObject(object));
  });
  if (extents.isEmpty()) extents.copy(viewer.extents);

  zoomTo(viewer, extents);
}